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Compare Yunzii B75 Pro Max vs L75 Differences Side by Side

This comparison is for buyers choosing between two Yunzii 75% wireless keyboards that differ dramatically in design philosophy. The B75 Pro Max is a feature-packed standard-profile board with a TFT screen, knob, and QMK/VIA support. The L75 is a low-profile keyboard designed for a slim laptop-like feel. The decision is hard because both offer solid wireless connectivity and hot-swappable switches, yet they cater to very different priorities. We break down which excels for gaming, typing, travel, and modding based on their available specs and vendor descriptions.

84
YUNZII B75 PRO MAX QMK/VIA Knob TFT Screen Wireless Mechanical Keyboard
61
YUNZII L75 Low Profile Wireless Mechanical Keyboard

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  • Released in 2025
  • Comes with a knob
  • Includes a Yes, TFT display
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 8000 mAh battery
  • Weighs about 993 g
  • Sized at 42 x 334 x 144 mm
  • Released in 2024
  • Features a low-profile design
  • Includes a No display
  • Compatible with both Mac and Windows
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Equipped with a 2200 mAh battery
  • Weighs about 825 g
  • Sized at 25 x 331 x 147 mm
  • Made with a Aluminum case
Scores
  • Performance: 83.4
  • Build Quality: 80
  • Productivity: 73.6
  • Customizability: 89.5
  • Portability: 90.3
Scores
  • Performance: 58.4
  • Build Quality: 58.3
  • Productivity: 66.4
  • Customizability: 61.5
  • Portability: 76.1
Name
Yunzii B75 Pro Max
Name
Yunzii L75
Release year
2025
Release year
2024
Switch Options
Linear
Switch Options
Linear
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
TFT
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless,
Polling Rate
-
Polling Rate
-
Battery capacity
8000 mAh
Battery capacity
2200 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
-
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
42 x 334 x 144 mm
Dimensions
25 x 331 x 147 mm
Weight
993g
Weight
825g
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Pros and Trade-offs

If you value customization, long battery life, and a screen or knob, the B75 Pro Max is the easy choice. It offers QMK/VIA, a huge 8000mAh battery, and a TFT screen for a lower or similar price. Choose the L75 only if you specifically need an ultra-slim, low-profile keyboard for travel or if you strongly prefer the feel of laptop-style keys. For almost anyone else, the B75 Pro Max provides more value and versatility.

Yunzii B75 Pro Max

  • +Includes a customizable TFT screen that can display GIFs, photos, and system status indicators.
  • +Features a multi-function knob which is programmable for volume or other actions via QMK/VIA.
  • +Massive 8000mAh battery capacity offers extended wireless use, far exceeding the L75.
  • +Full QMK/VIA open-source firmware support enables deep key remapping and macro creation.
  • +Standard gasket-mount design with a 5-layer cushioning system for sound dampening.
  • −Heavier and thicker than the L75, making it less portable for frequent travel.
  • −Does not have an aluminum case, which the L75 does, though materials info is not detailed.

Yunzii L75

  • +Ultra-slim low-profile design with a height of only 25mm, resembling a laptop keyboard feel.
  • +Lighter weight at 825g, making it easier to transport than the thicker B75 Pro Max.
  • +Features an aluminum case material, offering a premium and rigid build.
  • +Includes sound dampening with three layers of acoustic padding (PE foam, IXPE switch pad, silicone pad).
  • −Switch compatibility is very limited; one user review notes that only Outemu low switches fit reliably.
  • −Small 2200mAh battery requires more frequent charging compared to the B75 Pro Max.
  • −No TFT screen, knob, or QMK/VIA support, reducing software customization and visual features.
  • −Low-profile design and keycaps may not suit users who prefer a standard mechanical typing angle.

Which Keyboard Is Better for Your Needs?

Across most use cases including gaming, office work, programming, modding, and content creation, the B75 Pro Max is the clear winner. Its edge comes from a much larger battery, full QMK/VIA support, a TFT screen, and a knob. The L75 only takes the lead for travel, where its ultra-slim profile and lighter weight make it a more portable companion. The L75's strength is its low-profile design, but this also limits its switch compatibility and customization depth.

GamingYunzii B75 Pro Max
  • •The B75 Pro Max's customizability via QMK/VIA allows for complex macro and key remapping for games.
  • •The vendor description highlights a 5-layer cushioning system and gasket mount for a solid feel during gameplay.
  • •The included TFT screen can show system status relevant for gaming setups.
OfficeYunzii B75 Pro Max
  • •The B75 Pro Max's 8000mAh battery far exceeds the L75's 2200mAh, offering much longer wireless runtime.
  • •The multi-function knob (default volume) and programmable screen can boost productivity.
  • •Support for QMK/VIA allows for workflow-specific key mapping.
ProgrammingYunzii B75 Pro Max
  • •The B75 Pro Max supports QMK/VIA open-source firmware, allowing deep key remapping and macro creation for code.
  • •It offers standard Cherry profile keycaps, which many programmers prefer for typing feel.
  • •The L75's limited low-profile switch compatibility (Outemu low red only per vendor) restricts customization.
TravelYunzii L75
  • •The L75 is significantly thinner (25mm vs 42mm height) and lighter (825g vs 993g), making it easier to pack.
  • •Its low-profile design and slim case are more portable and take up less space in a bag.
  • •The L75 is designed to resemble laptop keys, offering a familiar feel when working on the go.
ModdingYunzii B75 Pro Max
  • •The B75 Pro Max has a vendor-stated 5-layer cushioning system that offers more internal space for mods.
  • •QMK/VIA firmware support provides extensive software-level customization options.
  • •Hot-swap supports both 3-pin and 5-pin switches, offering greater switch compatibility.
  • •The L75 only supports Outemu low red switches, with one review noting poor compatibility with other low-profile switches.
Content CreationYunzii B75 Pro Max
  • •The programmable TFT screen can display GIFs or photos, offering a creative visual workspace element.
  • •The multi-function knob can be customized for tasks like timeline scrubbing or volume control.
  • •QMK/VIA support allows for creation-specific macros and shortcuts.

Frequently Asked Questions (FAQ)

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